Water heater



FIG. 1 is a perspective view of a water heater showing the presentdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a cross sectional view in which the internal mechanism is notshown for the sake of clarity, taken along line 8-8 of FIG. 2 thereof;

FIG. 9 is a cross sectional view in which the internal mechanism is notshown for the sake of clarity, taken along line 9-9 of FIG. 2 thereof;and,

FIG. 10 is a cross sectional view in which the internal mechanism is notshown for the sake of clarity, taken along line 10-10 of FIG. 2 thereof.

The oblique shade lines in FIGS. 1 and 2 depict a reflective surface.

The broken lines and the areas within them in the drawings depictportions of the water heater that form no part of the claimed design.

CLAIM The ornamental design for a water heater, as shown and described.